Hydroscope



FIG. 1 is a perspective view of a hydroscope, showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a side elevational view thereof, opposite that shown in FIG. 3;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left end elevational view thereof, as seen from FIG. 3; and

FIG. 7 is a right side elevational view thereof, as seen from FIG. 3. 

The ornamental design for a hydroscope, as shown and described. 